USS Constitution is the oldest commissioned ship in the United States Navy. Naval officers and crew still serve aboard her today. The USS Constitution is operated by the United States Navy, a partner to the National Parks of Boston. The Naval History and Heritage Command, Detachment Boston in Building 24 at the Charlestown Navy Yard is responsible for the maintenance, repair, and restoration of USS Constitution. Across the pier from Constitution in Building 22 is the USS Constitution Museum. The Museum serves as the memory and educational voice of USS Constitution and provides engaging and hands-on experiences for all visitors. Here you can explore how the ship was built, sailed, and preserved